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<html>
  <head>
    <script>
      (function() {
        const script = document.createElement('script');
        script.async = true;
        script.src = (process.env.HOT) ? 'http://localhost:3000/dist/background.bundle.js' : '../dist/background.bundle.js';
        document.write(script.outerHTML);
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    </script>
  </head>
  <body>
  </body>
</html>
